Web application security best practices, vulnerabilities, and defenses.
Your login form checks the email, yet your server still takes anything. Learn what browser and server validation each do, and build both, with a live demo.
NextAuth, Better Auth, hosted, or your own sessions — an honest 2026 comparison built on the one question that outlives the hype: who owns your user table.
Credential stuffing, surprise API bills, and runaway retry loops end the same way. How to rate limit Next.js API routes — and make it survive serverless.